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25
It has been to the United States.
12
62900471853
Countries all over the world, past and present, have been producing coins for thousands of years. There would be millions of different types of coins.
17 animals have been etinct in the past 200 years
From 1646 to 2011 there have been 88 leap years.
There have been around 50 active volcanoes in the western US in the past 2000 years. These include both major and minor volcanic events, with some volcanoes experiencing more frequent eruptions than others.
There have been about 6,300 tornadoes in the U.S. in the past 5 years with more worldwide.
10
many improvement have been made over years
There has been 250 Olympics have been held have been in the last thousand years.
In the years 2000-2010 there have been 13,817 tornadoes confirmed in the United States.
17
its about 5098billion
25
In the past 10 years 667 convicted criminals have been executed. Since the death penalty was reinstated in 1976 1,224 people have been executed.